Electronic cigarette battery



FIG. 1 is a perspective view of an electronic cigarette battery, showing a first embodiment of our new design;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a left-side elevational view of FIG. 1, the right-side elevational view being a mirror image thereof;

FIG. 5 is a top plan view of FIG. 1;

FIG. 6 is a bottom plan view of FIG. 1;

FIG. 7 is a front elevational view of a second embodiment thereof, the rear elevational view being a mirror image thereof.

FIG. 8 is a left-side elevational view of FIG. 7, the right-side elevational view being a mirror image thereof;

FIG. 9 is a top plan view of FIG. 7; and,

FIG. 10 is a bottom plan view of FIG. 7.

The broken lines showing an electronic cigarette in FIG. 1 depict environmental matter and form no part of the claimed design. 

CLAIM We claim the ornamental design for an electronic cigarette battery, as shown and described. 